Home / 446,784.60-670,295.70-193,956.60

Finding the Fourth Proportional to 446,784.60, 670,295.70 and 193,956.60

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Solution

The fourth proportional to 446,784.60, 670,295.70 and 193,956.60 is: 290,986.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,784.60 : 670,295.70 = 193,956.60 : x
  2. Step 2: Convert to fraction form
    446,784.60/670,295.70 = 193,956.60/x
  3. Step 3: Cross multiply
    446,784.60x = 670,295.70 × 193,956.60
  4. Step 4: Simplify right side
    446,784.60x = 130,008,274,966.62
  5. Step 5: Solve for x
    x = 130,008,274,966.62/446,784.60
  6. Step 6: Final answer
    x = 290,986.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.